Remove unused methods from unicode

[Marcos Souza (via Code Review)]

Marcos Souza has abandoned this change.

Change subject: Remove unused methods from unicode
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Patch Set 1: Abandoned

These methods will be used in some time.

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Gerrit-MessageType: abandon
Gerrit-Change-Id: I12004788d58809fbf5c135f6badf5cc3c184bd17
Gerrit-PatchSet: 1
Gerrit-Project: core
Gerrit-Branch: master
Gerrit-Owner: Marcos Souza <marcos.souza.org at gmail.com>
Gerrit-Reviewer: Norbert Thiebaud <nthiebaud at gmail.com>